<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>condition2</title>
<script src="js/vue.min.js"></script>
</head>
<body>
<div id="app">
  <div v-if="Math.random() > 0.5">
    Sorry
  </div>
  <div v-else>
    Not sorry
  </div>
</div>
  
<script>
new Vue({
  el: '#app'
})
</script>
</body>
</html>